(2R,3R,4aR)-2,3,7-trihydroxy-9-methoxy-4a-methyl-4,4a-dihydro-2H-benzo[c]chromen-6(3H)-one;2R,3R,4aR)-2,3,7-trihydroxy-9-methoxy-4a-methyl-2,3,4,4a-tetrahydro-6H-dibenzo[b,d]pyran-6-one;2,3,4,4a-Tetrahydro-2beta,3alpha,7-trihydroxy-9-methoxy-4aalpha-methyl-6H-dibenzo[b,d]pyran-6-one
